<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		body,ul{margin:0;padding: 0;}
		.content{margin:100px auto;width: 1000px;}
		.box{position: relative;float: left;width: 50px;height: 120px;overflow: hidden;}
		.box li{position: absolute;left: 0;width:100%;height: 120px;list-style:none;font-size:80px;font-weight: bold;background-color: #fff; line-height: 120px; text-align: center;}
		.colon{float: left;height: 120px;font-size: 80px;color: #e91e63;font-weight: bold;line-height: 100px;}
	</style>
</head>
<body>
	<div class="content">
	</div>
	<script type="text/javascript">
	(function(){
		var colors = ["#69D2E7", "#E20049", "#19215E", "#F38630", "#FA6900", "#FF4E50", "#F9D423", "#FFB6FF", "#474168", "#6ACAFC"];
		var content = document.querySelector('.content');
		var num = 0;
		var height = 120;
		var maxheight = (2-num)*height;
		var timeNum = [3,10,6,10,6,10];
		var position = [];
		var NumberBoxs = [];
		for(var i =0;i<10;i++){
			position.push((1-i)*height);
		};
		function NumberBox() {}
		NumberBox.prototype = {
			init : function () {
				var innerHTML = "<div class='box' id='box"+num+"'><ul>"
				this.num = num;
				num++;
				for(var i =0,l=timeNum[this.num];i<l;i++){
					innerHTML += "<li style='color:"+colors[i]+"'>"+i+"</li>";
				}
				innerHTML += "</ul><div>"
				content.innerHTML += innerHTML;
				if(num==2||num==4){content.innerHTML += "<div class='colon'>:</div>"}
			},
			dominit : function(){
				this.Ali = [].slice.call(document.getElementById('box'+this.num).getElementsByTagName('li'),0);		
				this.Ali.forEach(function(dom,i){
					dom.style.top = position[i] + "px";
					dom.style.transition = "top .8s";
				})	
				this.hasdom = true;	
			},
			toNum : function (n) {
				if(!this.hasdom){this.dominit();}
				n = ""+n;
				var p = this;
				var l = p.Ali.length-1;
				while(p.Ali[1].innerHTML!=n){
				p.Ali.unshift(p.Ali.pop());
				}
				p.Ali.forEach(function (dom,i) {
				dom.style.zIndex = (i==l)?"-1":"1";
				dom.style.top = position[i] + "px";
				})	 	
			}
		}
		for(var i=0;i<6;i++){
			var o = new NumberBox();
			o.init();
			NumberBoxs.push(o);
		}
		function getTime() {
			var time = new Date();
			return (""+Fixed2(time.getHours())+Fixed2(time.getMinutes())+Fixed2(time.getSeconds())).split("");
		}
		function Fixed2(n){
			return Number(n)<10?"0"+n:n;
		}
		(function () {
			var time = getTime();
			NumberBoxs.forEach(function(obj,i){
				obj.toNum(time[i]);
			});
			setTimeout(arguments.callee,1000);
		})()
	})();
	</script>
</body>
</html>